Earlier this month, I pointed out the ways that cyber criminals are purposely tricking users into visiting fake or malicious websites. One of those ways is typosquatting, which relies on typographical errors made by Internet users who misspell domain names or mistype legitimate website addresses into a Web browser.

I've been following two security-related stories this past week: the growing problem of violent flash mobs and the alleged Anonymous hacks targeting San Francisco's BART websites. I think the two stories are going to define a new reality for network security: the intersection between network security and physical security.

Have you ever thought of your battery as being a security risk to your computer? I admit, it wouldn't be the first thing I'd think of, but apparently, that will be a discussion at next month's Black Hat Conference.

A survey conducted by Crossbeam Systems, which polled nearly 500 network security, IT and C-level executives at global enterprises and service providers, found that IT security personnel within large corporations are shutting off critical functionality in security applications to meet network performance demands for business applications.

Another day, another headline about a major company being hacked. On the whole, it isn't surprising because I've been told time and again by experts that these breaches happen more often than any of us realize.

You may have heard about President Obama's proposed new cyber security legislation. One part of this plan is to give the Department of Homeland Security (DHS) the job of protecting the civilian networks within federal government, in the same way that the Department of Defense (DOD) protects the military cyber infrastructure (DOD will also work closely with DHS in cyber security issues).

The Sony PlayStation breach has made a lot of people very angry. And rightly so. You put your trust in a company and it fails you by allowing your personal information to be stolen. Heck, I'd be furious with Sony, too.

As we brace for the very real possibility of a government shutdown, we know that government networks are going to be shut down and employees will have no access to email. We also know that only essential personnel will continue to be able to work. But what does it mean for cyber security?

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